CN102840518A - Backlight unit, liquid crystal module and liquid crystal display - Google Patents
Backlight unit, liquid crystal module and liquid crystal display Download PDFInfo
- Publication number
- CN102840518A CN102840518A CN2012103318708A CN201210331870A CN102840518A CN 102840518 A CN102840518 A CN 102840518A CN 2012103318708 A CN2012103318708 A CN 2012103318708A CN 201210331870 A CN201210331870 A CN 201210331870A CN 102840518 A CN102840518 A CN 102840518A
- Authority
- CN
- China
- Prior art keywords
- heat sink
- sink strip
- liquid crystal
- spacer
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0085—Means for removing heat created by the light source from the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a backlight unit for preventing light from leaking. The backlight unit comprises a back plate, a radiating strip mounted on the back plate, a light bar arranged at the inner side of a vertical plate of the radiating strip, a reflecting plate, a light guide plate, an optical membrane set, and an external frame, wherein the reflecting plate, the light guide plate and the optical membrane set are sequentially arranged on a horizontal plate of the radiating strip from bottom to top, a light inlet face of the light guide plate right faces the light bar; the external frame is arranged at the outer side of the radiating strip and at least comprises a plurality of platforms supported by the vertical plate of the radiating strip; and at least part of the external frame is arranged on the external edges of the periphery of the optical membrane set; at least one positioning sheet is arranged at the end of the vertical plate of the radiating strip; a positioning hole corresponding to the positioning sheet is formed on the platforms of the external frame; and the positioning sheet is in match with corresponding positioning hole, so that the external frame can be fixed to the radiating strip. The invention also provides a liquid crystal set for preventing the light from leaking, and a liquid crystal display. With adoption of the liquid crystal module and the liquid crystal display, the phenomenon of light leaking can be effectively reduced.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of back light unit, liquid crystal module and LCD.
Background technology
The main building block of existing LCD device comprises: fore shell, back cover, liquid crystal module and systematic part or the like.Wherein the main building block of liquid crystal module comprises: structure members such as preceding frame, liquid crystal display glass panel, back light unit.Wherein, as shown in Figure 1, back light unit comprises portion's materials such as housing 15, optical diaphragm group 14, lamp bar 13, heat sink strip 12 and backboard 11, and wherein, optical diaphragm group 14 comprises diffuser plate 140, prism plate 141, diffuser plate 142;
Also be provided with LGP 17, reflector 18 etc. on the heat sink strip 12;
The light that lamp bar 13 sends gets into from the incidence surface (over against the face of lamp bar 13) of LGP 17, injects optical diaphragm group 14 from exiting surface, and optical diaphragm group 14 can make the light of light face spread more evenly, and can improve the positive briliancy of light.The effect of reflector 18 is as much as possible with light emission to LGP 17, and it is penetrated from the light face.
But, the width more and more narrow of the liquid crystal module frame that prior art provides, corresponding, housing is more and more narrow also, and like this, the housing ratio is easier to rollover distortion (being upturned), makes between itself and the optical diaphragm group 14 and produces the slit, causes taking place light leakage phenomena.
Summary of the invention
The present invention upwarps the light leakage phenomena that is caused for the housing that effectively prevents back light unit turns up, and a kind of structure of new back light unit is provided.
Technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of back light unit of anti-light leak, comprising:
Backboard is for said back light unit provides support;
Heat sink strip, it is arranged on the said backboard, and said heat sink strip comprises level board and extended at least one vertical plate from said level board edge;
The lamp bar is arranged on the vertical plate inboard of said heat sink strip;
Be set in turn in reflector, LGP and optical diaphragm group on the level board of said heat sink strip from bottom to up, wherein, the incidence surface of said LGP is over against said lamp bar;
Housing, it is arranged at the said heat sink strip outside, includes several platforms at least, and said platform receives the support of the vertical plate of said heat sink strip, and part is set up on the outward flange all around of said optical diaphragm group at least;
End at the vertical plate of said heat sink strip is provided with at least one spacer, on the platform of said housing, offers and said spacer position corresponding positioning hole; The locating hole that said spacer is corresponding with it cooperatively interacts, and said housing and said heat sink strip are fixed.
Wherein, said housing is the glue frame that elastomeric material is processed.
Wherein, said spacer be shaped as arbitrary shape, the locating hole of offering on the said glue frame is identical with the shape of said spacer.
Wherein, said spacer is shaped as rectangle or polygon.
Wherein, said lamp bar is a Light-Emitting Diode.
Another aspect the invention provides a kind of liquid crystal module of anti-light leak, comprising:
Preceding frame, liquid crystal display glass panel, back light unit;
Said back light unit comprises:
Backboard is for said back light unit provides support;
Heat sink strip, it is arranged on the said backboard, and said heat sink strip comprises level board and extended at least one vertical plate from said level board edge;
The lamp bar is arranged on the vertical plate inboard of said heat sink strip;
Be set in turn in reflector, LGP and optical diaphragm group on the level board of said heat sink strip from bottom to up, wherein, the incidence surface of said LGP is over against said lamp bar;
Housing, it is arranged at the said heat sink strip outside, includes several platforms at least, and said platform receives the support of the vertical plate of said heat sink strip, and part is set up on the outward flange all around of said optical diaphragm group at least;
End at the vertical plate of said heat sink strip is provided with at least one spacer, on the platform of said housing, offers and said spacer position corresponding positioning hole; The locating hole that said spacer is corresponding with it cooperatively interacts, and said housing and said heat sink strip are fixed.
Wherein, said housing is the glue frame that elastomeric material is processed.
Wherein, said spacer be shaped as arbitrary shape, the locating hole of offering on the said glue frame is identical with the shape of said spacer.
Wherein, said spacer is shaped as rectangle or polygon.
On the one hand, the invention provides a kind of LCD again, comprising:
Fore shell, back cover, systematic part and aforesaid liquid crystal module.
The back light unit that the embodiment of the invention provides, its heat sink strip is provided with spacer, and this spacer can well be fixed on the platform of housing on the heat sink strip, and the platform that prevents housing turns up and upwarps the light leak of generation.
Liquid crystal module provided by the invention and LCD wherein comprise back light unit provided by the invention, therefore also can reach the effect of anti-light leak.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the back light unit that Fig. 1 provides for prior art;
Fig. 2 is the structural representation of the back light unit of anti-light leak provided by the invention;
Fig. 3 is the structural representation of the liquid crystal module of anti-light leak provided by the invention;
Fig. 4 is the structural representation of LCD provided by the invention.
The specific embodiment
The present invention provides a kind of structure of novel back light unit, and the housing that can effectively prevent back light unit turns up and upwarps the light leakage phenomena that is caused.
Below will combine accompanying drawing, back light unit provided by the invention will be described, and the liquid crystal module that contains this back light unit, and the concrete structure of LCD.
Referring to Fig. 2, be the structural representation of the back light unit of anti-light leak provided by the invention.
The back light unit that present embodiment provides comprises:
Backboard 11 is for said back light unit provides support;
Heat sink strip 12, it is arranged on the said backboard 11, and said heat sink strip 12 comprises level board 120 and extended at least one vertical plate 121 from said level board 120 edges;
Be set in turn in reflector 18, LGP 17 and optical diaphragm group 14 on the level board of said heat sink strip 12 from bottom to up; Wherein, The incidence surface of said LGP 17 is over against said lamp bar 13; Said optical diaphragm group 14 is arranged on the exiting surface of said LGP 17, is used for the light that the said lamp bar 3 of transmission produces;
The end of the vertical plate 121 of said heat sink strip 12 is provided with a spacer 16, on the platform 151 of said housing 15, offers and said spacer 16 position corresponding positioning hole (invisible, not shown); Said spacer 16 locating hole corresponding with it cooperatively interacts, and said housing 15 is fixed with said heat sink strip 12.Because spacer 16 can be good at the platform 151 of fixing said housing 15, the platform 151 that prevents housing 15 turns up and upwarps, and therefore can prevent light leak.
In concrete realization, the glue frame that said housing 15 is processed for elastomeric material.
Wherein, said spacer 16 be shaped as arbitrary shape, the locating hole of offering on the said glue frame is identical with the shape of said spacer 16.
Preferred embodiment, said spacer 16 be shaped as rectangle or polygon.
Wherein, said lamp bar 13 is a Light-Emitting Diode.
Another aspect, the embodiment of the invention provide a kind of liquid crystal module of anti-light leak, and referring to Fig. 3, the liquid crystal module 10 of anti-light leak provided by the invention comprises:
Preceding frame 2, liquid crystal display glass panel 3, back light unit 1;
Back light unit 1 all disposes in the former frame 2 with liquid crystal display glass panel 3; In addition; Before interfix by cooperating between trip and the draw-in groove between frame 2 and the liquid crystal display glass panel 2; The preceding frame 2 of liquid crystal module 10, the 26S Proteasome Structure and Function of liquid crystal display glass panel 3 all are well-known to those skilled in the art, repeat no more at this.
Need to prove that the concrete structure of the liquid crystal module of anti-light leak provided by the invention is not limited only to structure shown in Figure 3, as long as the structure of its back light unit 1 is as shown in Figure 2, and function such as previous embodiment describe, and all belongs to protection scope of the present invention.
On the one hand, the embodiment of the invention provides a kind of LCD again, and referring to Fig. 4, LCD provided by the invention comprises:
Fore shell 4, back cover 5, liquid crystal module 10 and systematic part (scheming not shown); Need to prove; Between the fore shell 4 of LCD, back cover 5 and liquid crystal module 10 and the systematic part etc. be utilize screws or utilize card and mode fixing; Its concrete 26S Proteasome Structure and Function all is well-known to those skilled in the art, repeats no more at this.
Need to prove that the concrete structure of LCD provided by the invention is not limited only to structure shown in Figure 4, as long as the structure of the back light unit 1 that wherein comprises is as shown in Figure 2, and function such as previous embodiment describe, and all belongs to protection scope of the present invention.
The back light unit that the embodiment of the invention provides, its heat sink strip is provided with spacer, and this spacer can well be fixed on the platform of housing on the heat sink strip, and the platform that prevents housing turns up and upwarps the light leak of generation.Liquid crystal module provided by the invention and LCD wherein comprise back light unit provided by the invention, therefore also can reach the effect of anti-light leak.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. the back light unit of an anti-light leak is characterized in that, comprising:
Backboard is for said back light unit provides support;
Heat sink strip, it is arranged on the said backboard, and said heat sink strip comprises level board and extended at least one vertical plate from said level board edge;
The lamp bar is arranged on the vertical plate inboard of said heat sink strip;
Be set in turn in reflector, LGP and optical diaphragm group on the level board of said heat sink strip from bottom to up, wherein, the incidence surface of said LGP is over against said lamp bar;
Housing, it is arranged at the said heat sink strip outside, includes several platforms at least, and said platform receives the support of the vertical plate of said heat sink strip, and part is set up on the outward flange all around of said optical diaphragm group at least;
End at the vertical plate of said heat sink strip is provided with at least one spacer, on the platform of said housing, offers and said spacer position corresponding positioning hole; The locating hole that said spacer is corresponding with it cooperatively interacts, and said housing and said heat sink strip are fixed.
2. back light unit as claimed in claim 1 is characterized in that, said housing is the glue frame that elastomeric material is processed.
3. back light unit as claimed in claim 2 is characterized in that, said spacer be shaped as arbitrary shape, the locating hole of offering on the said glue frame is identical with the shape of said spacer.
4. back light unit as claimed in claim 3 is characterized in that, said spacer be shaped as rectangle or polygon.
5. like each described back light unit in the claim 1 to 4, it is characterized in that said lamp bar is a Light-Emitting Diode.
6. the liquid crystal module of an anti-light leak is characterized in that, comprising:
Preceding frame, liquid crystal display glass panel, back light unit;
Said back light unit comprises:
Backboard is for said back light unit provides support;
Heat sink strip, it is arranged on the said backboard, and said heat sink strip comprises level board and extended at least one vertical plate from said level board edge;
The lamp bar is arranged on the vertical plate inboard of said heat sink strip;
Be set in turn in reflector, LGP and optical diaphragm group on the level board of said heat sink strip from bottom to up, wherein, the incidence surface of said LGP is over against said lamp bar;
Housing, it is arranged at the said heat sink strip outside, includes several platforms at least, and said platform receives the support of the vertical plate of said heat sink strip, and part is set up on the outward flange all around of said optical diaphragm group at least;
End at the vertical plate of said heat sink strip is provided with at least one spacer, on the platform of said housing, offers and said spacer position corresponding positioning hole; The locating hole that said spacer is corresponding with it cooperatively interacts, and said housing and said heat sink strip are fixed.
7. the liquid crystal module of anti-light leak as claimed in claim 6 is characterized in that, said housing is the glue frame that elastomeric material is processed.
8. the liquid crystal module of anti-light leak as claimed in claim 7 is characterized in that, said spacer be shaped as arbitrary shape, the locating hole of offering on the said glue frame is identical with the shape of said spacer.
9. the liquid crystal module of anti-light leak as claimed in claim 8 is characterized in that, said spacer be shaped as rectangle or polygon.
10. a LCD is characterized in that, comprising:
Fore shell, back cover, systematic part and like each said liquid crystal module in the claim 6 to 9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103318708A CN102840518A (en) | 2012-09-10 | 2012-09-10 | Backlight unit, liquid crystal module and liquid crystal display |
| PCT/CN2012/081321 WO2014036748A1 (en) | 2012-09-10 | 2012-09-13 | Backlight unit, liquid crystal module, and liquid crystal display |
| US13/697,359 US20140071378A1 (en) | 2012-09-10 | 2012-09-13 | Backlight unit, LCD module, and LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103318708A CN102840518A (en) | 2012-09-10 | 2012-09-10 | Backlight unit, liquid crystal module and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840518A true CN102840518A (en) | 2012-12-26 |
Family
ID=47368128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103318708A Pending CN102840518A (en) | 2012-09-10 | 2012-09-10 | Backlight unit, liquid crystal module and liquid crystal display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102840518A (en) |
| WO (1) | WO2014036748A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216790A (en) * | 2013-04-25 | 2013-07-24 | 深圳市华星光电技术有限公司 | Liquid crystal backlight module and fixing assembly thereof |
| CN104373870A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module optical film positioning structure, backlight module and display |
| WO2015139342A1 (en) * | 2014-03-21 | 2015-09-24 | 深圳市华星光电技术有限公司 | Curved liquid crystal display device |
| CN105549267A (en) * | 2016-03-08 | 2016-05-04 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| US9435941B2 (en) | 2013-04-25 | 2016-09-06 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module and fixture thereof |
| CN108107596A (en) * | 2016-11-25 | 2018-06-01 | 三星电子株式会社 | Directional backlight unit, 3-D image display device and its manufacturing method |
| CN111816075A (en) * | 2020-07-09 | 2020-10-23 | 深圳市华星光电半导体显示技术有限公司 | Back plate and display panel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442376A (en) * | 2022-02-22 | 2022-05-06 | 四川长虹电器股份有限公司 | Side-entering type ultra-narrow fourth side liquid crystal module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556008A (en) * | 2007-03-09 | 2009-10-14 | 友达光电股份有限公司 | Assembly method of sidelight-type backlight module |
| CN101589267A (en) * | 2007-01-22 | 2009-11-25 | 夏普株式会社 | Backlight device and flat display using it |
| CN101949526A (en) * | 2010-07-12 | 2011-01-19 | 深圳市华星光电技术有限公司 | Side-entering type backlight module and back-plate heat radiating structure thereof |
| WO2011080955A1 (en) * | 2009-12-28 | 2011-07-07 | シャープ株式会社 | Planar lighting device and display apparatus provided with same |
| CN102591049A (en) * | 2012-03-28 | 2012-07-18 | 深圳市华星光电技术有限公司 | Liquid crystal display module and frame component thereof |
| CN202394014U (en) * | 2012-01-09 | 2012-08-22 | 京东方科技集团股份有限公司 | Liquid crystal display module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011216274A (en) * | 2010-03-31 | 2011-10-27 | Panasonic Corp | Backlight unit and liquid crystal display device including the same |
| CN201983111U (en) * | 2011-02-24 | 2011-09-21 | 华映视讯（吴江）有限公司 | Backlight module |
| CN202266936U (en) * | 2011-09-28 | 2012-06-06 | 上海蓝光科技有限公司 | Sidelight type light emitting diode (LED) backlight structure |
| CN202394013U (en) * | 2011-11-30 | 2012-08-22 | 康佳集团股份有限公司 | Liquid crystal module and liquid crystal television thereof |
-
2012
- 2012-09-10 CN CN2012103318708A patent/CN102840518A/en active Pending
- 2012-09-13 WO PCT/CN2012/081321 patent/WO2014036748A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589267A (en) * | 2007-01-22 | 2009-11-25 | 夏普株式会社 | Backlight device and flat display using it |
| CN101556008A (en) * | 2007-03-09 | 2009-10-14 | 友达光电股份有限公司 | Assembly method of sidelight-type backlight module |
| WO2011080955A1 (en) * | 2009-12-28 | 2011-07-07 | シャープ株式会社 | Planar lighting device and display apparatus provided with same |
| CN101949526A (en) * | 2010-07-12 | 2011-01-19 | 深圳市华星光电技术有限公司 | Side-entering type backlight module and back-plate heat radiating structure thereof |
| CN202394014U (en) * | 2012-01-09 | 2012-08-22 | 京东方科技集团股份有限公司 | Liquid crystal display module |
| CN102591049A (en) * | 2012-03-28 | 2012-07-18 | 深圳市华星光电技术有限公司 | Liquid crystal display module and frame component thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216790A (en) * | 2013-04-25 | 2013-07-24 | 深圳市华星光电技术有限公司 | Liquid crystal backlight module and fixing assembly thereof |
| US9435941B2 (en) | 2013-04-25 | 2016-09-06 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module and fixture thereof |
| WO2015139342A1 (en) * | 2014-03-21 | 2015-09-24 | 深圳市华星光电技术有限公司 | Curved liquid crystal display device |
| CN104373870A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module optical film positioning structure, backlight module and display |
| CN105549267A (en) * | 2016-03-08 | 2016-05-04 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| CN108107596A (en) * | 2016-11-25 | 2018-06-01 | 三星电子株式会社 | Directional backlight unit, 3-D image display device and its manufacturing method |
| CN108107596B (en) * | 2016-11-25 | 2022-04-05 | 三星电子株式会社 | Directional backlight unit, three-dimensional image display device, and method of manufacturing the same |
| CN111816075A (en) * | 2020-07-09 | 2020-10-23 | 深圳市华星光电半导体显示技术有限公司 | Back plate and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014036748A1 (en) | 2014-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102840518A (en) | Backlight unit, liquid crystal module and liquid crystal display | |
| CN102506350B (en) | Backlight module and liquid crystal display | |
| US8421971B2 (en) | Liquid crystal display module and one-piece back plate thereof | |
| CN103775925B (en) | Backlight module | |
| US10007051B2 (en) | Backlight module and display device | |
| TW200707027A (en) | Backlight unit and liquid crystal display having the same | |
| TW200622354A (en) | Liquid crystal display and backlight module | |
| TWI686633B (en) | Backlight module | |
| CN103727467A (en) | Backlight module and liquid crystal display device with same | |
| CN103775923A (en) | Lamp strip and backlight module with same | |
| CN206725898U (en) | A kind of back light module unit structure | |
| CN105911757A (en) | Backlight module frame, backlight module and liquid crystal display device | |
| CN102621744A (en) | Liquid crystal display device | |
| US20170153385A1 (en) | Light guiding plate, backlight module and display device | |
| KR102363653B1 (en) | Display device | |
| CN102889523A (en) | Backlight module | |
| KR20150092436A (en) | Display apparatus | |
| CN102884366A (en) | Lighting device, display device, and television receiving device | |
| CN204403956U (en) | A kind of backlight module and display unit | |
| US9645295B2 (en) | Light guide plate and backlight module with the same | |
| CN104848083A (en) | Display device and backlight module thereof | |
| CN205193388U (en) | Display device | |
| CN205318064U (en) | Backlight module and display device | |
| US20200241191A1 (en) | Light guide plate, backlight and display device | |
| CN104820259A (en) | Light guide plate, backlight module group and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121226 |